net: netsec: start using buffers if page_pool registration succeeded
authorIlias Apalodimas <ilias.apalodimas@linaro.org>
Tue, 9 Jul 2019 12:35:53 +0000 (15:35 +0300)
committerDavid S. Miller <davem@davemloft.net>
Tue, 9 Jul 2019 20:00:01 +0000 (13:00 -0700)
The current driver starts using page_pool buffers before calling
xdp_rxq_info_reg_mem_model(). Start using the buffers after the
registration succeeded, so we won't have to call
page_pool_request_shutdown() in case of failure

Fixes: 5c67bf0ec4d0 ("net: netsec: Use page_pool API")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/socionext/netsec.c

index d7307ab90d743d2a6e19d574da9de6fa8fcd18fe..c3a4f86f56ee768d26429fad5ae99d2ae74ca71a 100644 (file)
@@ -1309,6 +1309,15 @@ static int netsec_setup_rx_dring(struct netsec_priv *priv)
                goto err_out;
        }
 
+       err = xdp_rxq_info_reg(&dring->xdp_rxq, priv->ndev, 0);
+       if (err)
+               goto err_out;
+
+       err = xdp_rxq_info_reg_mem_model(&dring->xdp_rxq, MEM_TYPE_PAGE_POOL,
+                                        dring->page_pool);
+       if (err)
+               goto err_out;
+
        for (i = 0; i < DESC_NUM; i++) {
                struct netsec_desc *desc = &dring->desc[i];
                dma_addr_t dma_handle;
@@ -1327,14 +1336,6 @@ static int netsec_setup_rx_dring(struct netsec_priv *priv)
        }
 
        netsec_rx_fill(priv, 0, DESC_NUM);
-       err = xdp_rxq_info_reg(&dring->xdp_rxq, priv->ndev, 0);
-       if (err)
-               goto err_out;
-
-       err = xdp_rxq_info_reg_mem_model(&dring->xdp_rxq, MEM_TYPE_PAGE_POOL,
-                                        dring->page_pool);
-       if (err)
-               goto err_out;
 
        return 0;